MAX8973A
Description
The MAX8973A high-efficiency, three-phase, DC-DC step-down switching regulator delivers up to 9A of output current in a pact footprint with excellent transient response. Each phase operates at a 2MHz fixed frequency, allowing the use of small magnetic ponents.
Key Features
- Up to 9A Output Current
- > 91% Peak Efficiency at 3.6VIN, 1.2VOUT
- Rotational Phase Spreading Maximizes Efficiency at Light Loads
- Initial Accuracy of 0.5% at 1.2V Output
- 0.8% Output Accuracy Over Line and Temperature at 1.2V Output
- Enhanced Transient Response Minimizes Output Droop with Large Load Steps
- Soft-Stop Recovers Output Capacitor Charge When Converter is Disabled
- Programmable VOUT: 0.60625V to 1.4V (6.25mV step size)
- Powers Up into Prebiased Output
- 3.4MHz I2C 3.0-compatible Serial Interface